US 12,272,830 B2
Rechargeable battery
Byongchul Woo, Yongin-si (KR); and Wonhwa Choi, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Appl. No. 17/595,238
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
PCT Filed Jul. 28, 2020, PCT No. PCT/KR2020/009944
§ 371(c)(1), (2) Date Nov. 11, 2021,
PCT Pub. No. WO2021/033941, PCT Pub. Date Feb. 25, 2021.
Claims priority of application No. 10-2019-0101314 (KR), filed on Aug. 19, 2019.
Prior Publication US 2022/0216550 A1, Jul. 7, 2022
Int. Cl. H01M 50/164 (2021.01); H01M 10/04 (2006.01); H01M 50/109 (2021.01); H01M 50/153 (2021.01); H01M 50/159 (2021.01); H01M 50/16 (2021.01); H01M 50/548 (2021.01)
CPC H01M 50/164 (2021.01) [H01M 10/0431 (2013.01); H01M 50/109 (2021.01); H01M 50/153 (2021.01); H01M 50/159 (2021.01); H01M 50/16 (2021.01); H01M 50/548 (2021.01); H01M 2220/30 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A rechargeable battery comprising:
an electrode assembly in which a separator is between a first electrode and a second electrode;
a case having an opening at a side thereof to accommodate the electrode assembly;
a cap assembly coupled to the opening to close and seal the case;
a first electrode tab extending from the first electrode and coupled to the case; and
a second electrode tab extending from the second electrode and coupled to the cap assembly,
wherein the cap assembly comprises
a metal layer to which the second electrode tab is coupled, and
a plastic layer on an outer surface of the metal layer, and
wherein an entirety of the metal layer has a plate shape.